.btn {
  display: inline-block;
  width: 100px;
  height: 30px;
  line-height: 30px;
  border: none;
  cursor: pointer;
  background-color: #FF6600;
  color: #ffffff;
}

.btn_default {
  background-color: gainsboro;
  color: white;
  width: 200px;
  height: 30px;
  line-height: 30px;
}

.btn_group .btn {
  margin-right: 20px;
}

.btn_group .btn:last-child {
  margin-right: 0px;
}

.modal {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  z-index: 30;
  transition: all .5s;
}

.modal.slide-enter-active {
  top: 0;
}

.modal.slide-leave-active {
  top: -100%;
}

.modal.slide-enter {
  top: -100%;
}

.modal .mask {
  position: fiexd;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: gray;
  opacity: .5;
}

.modal .dialog {
  position: absolute;
  left: 50%;
  top: 40%;
  width: 600px;
  height: auto;
  transform: translate(-50%, -50%);
  background-color: white;
}

.modal .dialog .dialog_header {
  line-height: 60px;
  padding: 0 25px;
  background-color: gainsboro;
}

.modal .dialog .dialog_header .icon_close {
  position: absolute;
  width: 15px;
  height: 15px;
  right: 25px;
  top: 25px;
  background: url("/img/icon-close.png") no-repeat center;
  background-size: contain;
  transition: all .2s;
}

.modal .dialog .dialog_header .icon_close:hover {
  transform: scale(1.5);
  transition: all .2s;
}

.modal .dialog .dialog_body {
  font-size: 16px;
  padding: 42px 40px 54px;
}

.modal .dialog .dialog_footer {
  line-height: 60px;
  text-align: center;
  background-color: white;
}
